With both a Speed control and a 4-waveform Intensity control, the Phase 100 offers a broad range of sounds. This pedal can be powered by a 9-volt battery, a Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies (not included).

250K Mono Volume Pedal (for passive signals)
Trace Elliot Transit B Bass Pre-Amp and Effects Pedal 3615880 

